International Symposium on the Use of Composts as Horticultural Substrates Ghent/Melle, Belgium, International Society for Horticultural Science. Commission for Plant Substrates, & Verdonck, O. (1985). International Symposium on the Use of Composts on Horticultural Substrates: Ghent/Melle, Belgium, 27-31 August 1984. [International Society for Horticultural Science.

International Symposium on the Use of Composts as Horticultural Substrates Ghent/Melle, Belgium, International Society for Horticultural Science. Commission for Plant Substrates, and O. Verdonck. International Symposium on the Use of Composts on Horticultural Substrates: Ghent/Melle, Belgium, 27-31 August 1984. Wageningen, Netherlands: [International Society for Horticultural Science, 1985.

International Symposium on the Use of Composts as Horticultural Substrates Ghent/Melle, Belgium, et al. International Symposium on the Use of Composts on Horticultural Substrates: Ghent/Melle, Belgium, 27-31 August 1984. [International Society for Horticultural Science, 1985.